sm501: add power control callback

Add callback to get or set the power control if the device has the sleep
connected to some form of GPIO.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: Arnaud Patard <apatard@mandriva.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/sm501.h b/include/linux/sm501.h
index b530fa6a1d34..145405bf9efa 100644
--- a/include/linux/sm501.h
+++ b/include/linux/sm501.h
@@ -157,6 +157,8 @@ struct sm501_init_gpio {
         struct sm501_reg_init   gpio_ddr_high;
 };
 
+#define SM501_FLAG_SUSPEND_OFF          (1<<4)
+
 /* sm501_platdata
  *
  * This is passed with the platform device to allow the board
@@ -170,6 +172,11 @@ struct sm501_platdata {
         struct sm501_init_gpio          *init_gpiop;
         struct sm501_platdata_fb        *fb;
 
+        int                              flags;
+
+        int     (*get_power)(struct device *dev);
+        int     (*set_power)(struct device *dev, unsigned int on);
+
         struct sm501_platdata_gpio_i2c  *gpio_i2c;
         unsigned int                     gpio_i2c_nr;
 };